Knoxville Weather Forecast
- 66
- 83
Chance Thunderstorms
- 61
- 80
Chance Rain Showers
- 62
- 80
Mostly Sunny
- 63
- 81
Chance Thunderstorms
- 60
- 80
Slight Chance Thunderstorms
- 60
- 77
Partly Sunny
- 62
- 79
Partly Sunny
Today 18 Aug Knox
Partly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the upper 70s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.
Tonight 18 Aug Knox
Partly cloudy this Evening, then mostly cloudy with a slight chance of Showers after midnight. Lows in the mid 60s. West Winds 5 to 10 Mph. Chance of rain 20 percent.
Knoxville Temperature Statistics
August Temperature
Galesburg Municipal Airport (7.5 miles)
Lowest 3 August, 2026
57.7 °FAverage August
74 °FHighest 10 August, 2026
88.2 °F
Climate (2021–2026)
Galesburg Municipal Airport (7.5 miles)
Average Low 2021–2026
41.8 °FAverage 2021–2026
52.1 °FAverage High 2021–2026
62.5 °F